chbix

Anyone ever heard of and or know how this thing works?

Got 2 protein skimmers for 20 off craigslist, the other is used and Its designed to where you cant really clean inside. The other is a Sea thru aquarium products, looks brand new, other than some scratches, but the lady knew nothing about it. I used a 350 pump with aeration attachment but the flow was so strong no bubbles formed and just blew water out the top. Then I got an air pump to add more air but having same problem. ...